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Southeast Asia

$435+ Cheap flights from Portland (PDX) to Southeast Asia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BKK
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Portland to Southeast Asia

Keep the following information in mind while searching for Portland to Southeast Asia flight deals. Data was last updated May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$707
(Air Canada)

One-way from

$456
(Justfly.com)

Popular in

December

Cheapest in

September

Average price

$1,210
Provider with most accurate pricing for Portland-Manila Ninoy Aquino Intl flight deals.
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Provider most trusted by Cheapflights users for Portland-Manila Ninoy Aquino Intl flights.
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From Portland to Southeast Asia
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One-way flight from Portland to Southeast Asia
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Highest demand for flights based on searches. 11% potential increase in price ($160 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Portland to Southeast Asia

Cheapest flights from Portland to Southeast Asia
Explore the most affordable flight options available from Portland to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Air Canada deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:40 pmPDX - SIN
1 stop20h 25mAir Canada
Thu 9/259:10 amSIN - PDX
1 stop20h 36mAir Canada
Deal found 4/30$707
This FlightHub deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/236:15 amPDX - SIN
1 stop33h 50mMultiple Airlines
Wed 10/88:00 amSIN - PDX
2 stops25h 46mMultiple Airlines
Deal found 4/30$747
This FlightHub deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:00 amPDX - SIN
1 stop21h 10mSingapore Airlines
Wed 10/299:15 amSIN - PDX
1 stop19h 04mSingapore Airlines
Deal found 4/30$804
This Justfly.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/19:12 amPDX - SIN
2 stops28h 48mKorean Air
Thu 5/87:30 amSIN - PDX
2 stops22h 20mKorean Air
Deal found 4/30$808
This KAYAK deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1410:00 amPDX - SGN
2 stops45h 55mANA
Sun 9/2811:15 pmSGN - PDX
2 stops33h 31mANA
Deal found 4/30$865
This oojo deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/82:30 pmPDX - SGN
2 stops29h 10mChina Airlines
Sun 9/285:30 pmSGN - PDX
2 stops19h 14mChina Airlines
Deal found 4/30$873
This China Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/99:30 pmPDX - SGN
2 stops22h 10mMultiple Airlines
Tue 10/145:30 pmSGN - PDX
2 stops26h 48mMultiple Airlines
Deal found 4/29$874
This Gotogate deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:15 amPDX - MNL
2 stops25h 20mMultiple Airlines
Thu 5/1510:30 amMNL - PDX
2 stops19h 10mMultiple Airlines
Deal found 4/29$879
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/165:30 amPDX - SIN
1 stop21h 55mUnited Airlines
Wed 10/18:45 amSIN - PDX
1 stop28h 52mUnited Airlines
Deal found 4/30$882
This Justfly.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/57:35 pmPDX - MNL
2 stops43h 45mAir Canada
Fri 9/199:25 amMNL - PDX
2 stops30h 13mAir Canada
Deal found 4/29$885
This StudentUniverse deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2311:04 amPDX - SGN
2 stops21h 01mKorean Air
Sat 8/3011:45 pmSGN - PDX
2 stops30h 19mKorean Air
Deal found 4/30$890
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/227:10 amPDX - SGN
2 stops24h 55mDelta
Thu 11/68:05 amSGN - PDX
2 stops27h 44mDelta
Deal found 4/30$891

Cheapflights Fare Finder

Customize your flight search to find flights from Portland to Southeast Asia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 1, 2025.
Use the filters below to find and compare flights from Portland to Southeast Asia that are best for you.

Fly from

Portland

Fly to

Southeast Asia

Route

Depart

Return

Price

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Thu 9/4

7:40 pm-7:05 am

1 stop20h 25m

Singapore Changi

Thu 9/25

9:10 am-2:46 pm

1 stop20h 36m

$707

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Tue 9/23

6:15 am-7:05 am

1 stop33h 50m

Singapore Changi

Wed 10/8

8:00 am-6:46 pm

2 stops25h 46m

$747

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 10/15

7:00 am-7:10 pm

1 stop21h 10m

Singapore Changi

Wed 10/29

9:15 am-1:19 pm

1 stop19h 04m

$804

PortlandManila

PDX - MNL

PDXMNL

Portland

Fri 10/17

7:30 am-2:10 am

2 stops27h 40m

Manila Ninoy Aquino Intl

Wed 11/12

10:55 am-11:59 pm

2 stops29h 04m

$881

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Tue 9/16

5:30 am-6:25 pm

1 stop21h 55m

Singapore Changi

Wed 10/1

8:45 am-10:37 pm

1 stop28h 52m

$882

PortlandManila

PDX - MNL

PDXMNL

Portland

Fri 9/5

7:35 pm-6:20 am

2 stops43h 45m

Manila Ninoy Aquino Intl

Fri 9/19

9:25 am-12:38 am

2 stops30h 13m

$885

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Tue 5/13

10:00 pm-4:20 pm

2 stops28h 20m

Ho Chi Minh City

Sun 6/1

5:30 pm-9:45 am

2 stops30h 15m

$892

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Thu 9/4

5:30 am-5:00 am

2 stops32h 30m

Singapore Changi

Wed 9/24

1:10 am-7:13 pm

2 stops33h 03m

$892

PortlandManila

PDX - MNL

PDXMNL

Portland

Fri 8/8

11:05 am-11:59 pm

2 stops21h 54m

Manila Ninoy Aquino Intl

Tue 9/2

12:20 pm-10:18 pm

2 stops24h 58m

$906

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Tue 9/23

7:34 pm-4:20 pm

2 stops30h 46m

Chiang Mai

Tue 9/30

5:20 pm-7:10 pm

2 stops39h 50m

$932

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 60 results
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Best time to book a flight from Portland to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Southeast Asia

What is the cheapest month to book a flight from Portland to Southeast Asia?

Currently, March is the cheapest month in which you can book a flight from Portland to Southeast Asia (average of $955). Flying from Portland to Southeast Asia in December is currently the most expensive (average of $1,574). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to YJX?

Find hourly flight availability from Portland to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

When flying from Portland to Southeast Asia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Southeast Asia ranges from 0.4 - 15.7 inches per month. July is typically the wettest month, when rainfall can reach 15.7 in. February is typically the driest time to visit Southeast Asia when rainfall is around 0.4 in.

Temperature in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Southeast Asia, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southeast Asia. Reviews last updated May 1, 2025.
Get a feel of what it's like to fly with STARLUX Airlines, EVA Air and Korean Air from Portland to Southeast Asia by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Entertainment

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
161 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Entertainment

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
EVA Air
8.4
Very good
1,186 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Entertainment

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very good
1,069 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Entertainment

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very good
1,464 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Entertainment

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very good
732 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Entertainment

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

Related info for your journey

Find useful and relevant information for your journey from Portland to Southeast Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Southeast Asia?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Portland to Southeast Asia.

  • What are the cheapest airlines to fly from Portland to Southeast Asia one-way?

    The cheapest airlines for a one-way flight from Portland to Southeast Asia are Air Canada ($456), Korean Air ($457), and Japan Airlines ($515).

  • What are the most popular routes from Portland to Southeast Asia?

    While some choose either Portland - Manila Ninoy Aquino Intl or Portland - Ho Chi Minh City, Portland - Bangkok Suvarnabhumi is the most popular route from Portland to Southeast Asia.

  • Can I find deals for flights from Portland to Southeast Asia that include hotel bookings?

    Yes. In addition to deals on Portland to Southeast Asia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Southeast Asia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Southeast Asia.

  • Can I find deals for business class flights from Portland to Southeast Asia?

    Yes. Cheapflights offers flight deals from Portland to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Southeast Asia?

    Currently, March is the cheapest month in which you can book a flight from Portland to Southeast Asia (average of $955). Flying from Portland to Southeast Asia in December is currently the most expensive (average of $1,574). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Portland to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Narita flights
Portland to Haneda flights
Portland to Suvarnabhumi flights
Boise to Suvarnabhumi flights
Portland to Incheon Intl flights
Portland to Ho Chi Minh City flights
Portland to Kansai Intl flights
Portland to Manila flights
Portland to Hong Kong flights
Boise to Narita flights
Portland to Gimpo Intl flights
Portland to Itami flights
Portland to Taiwan Taoyuan Intl flights
Boise to Haneda flights
Portland to Hongqiao Intl flights
Redmond to Suvarnabhumi flights
Portland to New Delhi flights
Portland to Singapore flights
Portland to Kobe flights
Portland to Sung Shan flights
Boise to Ho Chi Minh City flights
Portland to Denpasar flights
Portland to Kuala Lumpur Intl flights
Portland to Pu Dong flights
Portland to Hyderabad flights
Portland to Mumbai flights
Portland to Chiang Mai flights
Eugene to Narita flights
Portland to Fukuoka flights
Portland to Kathmandu flights
Portland to Phnom Penh flights
Portland to Bangalore flights
Eugene to Haneda flights
Medford to Suvarnabhumi flights
Portland to Chubu Centrair Intl flights
Eugene to Suvarnabhumi flights
Portland to Okinawa flights
Portland to Colombo flights
Portland to Hanoi flights
Portland to Capital flights
Portland to Soekarno-Hatta Intl flights
Portland to Da Nang flights
Portland to Cebu City flights
Portland to Malé flights
Medford to Manila flights
Portland to Angeles City flights
Portland to Chennai flights
Boise to Hongqiao Intl flights
Boise to Denpasar flights
Portland to Guangzhou flights

Top 10 airlines flying from Portland to Southeast Asia

Discover the top 10 airlines that operate flights from Portland to Southeast Asia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$479Average$1,218FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$714Average$1,043FlexibilityNo cancel feeOn-time67%
China EasternCheapest$750Average$871FlexibilityNo cancel feeOn-time62%
DeltaCheapest$800Average$1,184FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$838Average$1,160FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$866Average$1,499FlexibilityNo cancel feeOn-time68%
ANACheapest$878Average$1,027FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$892Average$987FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$911Average$956FlexibilityNo cancel feeOn-time71%
STARLUX AirlinesCheapest$915Average$965FlexibilityNo cancel feeOn-timeN/A

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